Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield of deep kernel (D) hybrids was 4.2% lower than that of normal (N) hybrids, averaged over plant densities and genetic backgrounds.

Taxon: MaizeZea mayst0
Treatment: De0
Outcome: Yieldse0
Direction: decreaseinferrede0
Value: −4.2e0
Qualifier: averaged over plant densities and genetic backgroundse0
Comparator: N hybridse0

Verbatim

t0
“Maize1”
✓ located verbatim in the source · title, characters 55–61

e0
“Yields of D, L, M, DL, DM, and LM hybrids were −4.2, +3.6, +6.6, −8.0, +0.4, and −2.2%, respectively, of yields of N hybrids when averaged over plant densities and genetic backgrounds”
✓ located verbatim in the source · abstract, characters 1365–1548

Title

Effects of Two Yield Component Selection Procedures on Maize¹

J. L. Geadelmann; R. H. Peterson Crop Science 1978. doi:10.2135/cropsci1978.0011183x001800030008x

Other claims from this paper (12)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In 1968 and 1969 Longidorus elongatus density was negatively correlated with barley grain size.

Taxon: barleyHordeum vulgaret0
Interactor: L. elongatusLongidorus elongatuse3pest
Outcome: grain sizee3
Direction: decreaseinferrede3

Verbatim

t0
“Barley and Potatoes”
✓ located verbatim in the source · title, characters 77–96

e3
“In 1969 there was no correlation between the density of L. elongatus and barley yield but in both 1968 and 1969 there was a negative correlation with grain size”
✓ located verbatim in the source · abstract, characters 455–615

Title

Studies on the Relation between Deasity of Longidorus elongatus and Yield of Barley and Potatoes

E. B. BROWN; G. B. SYKES Plant Pathology 1975. doi:10.1111/j.1365-3059.1975.tb01899.x

Other claims from this paper (3)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Longidorus elongatus caused an estimated yield loss of about 3 t/ha per 100 nematodes per 200 g soil in potatoes in 1972.

Taxon: potatoesSolanum tuberosume2
Interactor: Longidorus elongatusLongidorus elongatuse0pest
Outcome: yielde0
Direction: decreaseinferrede2
Value: 3 t/ha/100 Longidorus / 200 ge2
Setting: Shifnal, Salope0

Verbatim

t0
“Barley and Potatoes”
✓ located verbatim in the source · title, characters 77–96

e0
“The relation between numbers of Longidorus elongatus (De Man) Thome & Swanger and yield of barley (in 1968 and 1969) and potatoes (in 1972) was studied in a field at Shifnal, Salop”
✓ located verbatim in the source · abstract, characters 8–188

e2
“about 3 t/ha/100 Longidorus / 200 g for potatoes in 1972”
✓ located verbatim in the source · abstract, characters 397–453

Title

Studies on the Relation between Deasity of Longidorus elongatus and Yield of Barley and Potatoes

E. B. BROWN; G. B. SYKES Plant Pathology 1975. doi:10.1111/j.1365-3059.1975.tb01899.x

Other claims from this paper (3)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Selection only for early flowering reduced silk delay by 0.3 days per cycle in corn.

Taxon: Zea mays L.Zea mayse0
Treatment: selection only for early floweringe1
Outcome: silk delaye2
Direction: lesse2
Value: 0.3 dayse2

Not reportedComparator

Verbatim

e0
“Three late, serai‐exotic corn ( Zea mays L.) synthetics were selected (5% level) for early silking by sib‐mating over a six‐generation period; then the seven cycles (including original forms) were compared in performance trials at three plant densities over 2 years”
✓ located verbatim in the source · abstract, characters 0–265

e1
“Virtually every ' trait measured changed significantly due to selection only for early flowering.”
✓ located verbatim in the source · abstract, characters 267–364

e2
“Effect per cycle averaged: 1.00 q/ha yield increase; 1.2 points of percent H 2 O decrease; 2.8% stalk breakage increase; 7.2‐cm plant height decrease; 5.2‐cm ear height decrease; 1.8 days less to flower; and 0.3 days less silk delay.”
✓ located verbatim in the source · abstract, characters 365–598

Title

Selection for Early Flowering in Corn¹

A. F. Troyer; W. L. Brown Crop Science 1972. doi:10.2135/cropsci1972.0011183x001200030014x

Other claims from this paper (9)

Intervention effect Selection only for early flowering significantly changed virtually every trait measured in corn.
Intervention effect Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.
Intervention effect Selection only for early flowering decreased percent H2O by 1.2 points per cycle in corn.
Intervention effect Selection only for early flowering increased stalk breakage by 2.8% per cycle in corn.
Intervention effect Selection only for early flowering decreased plant height by 7.2 cm per cycle in corn.
Intervention effect Selection only for early flowering decreased ear height by 5.2 cm per cycle in corn.
Intervention effect Selection only for early flowering reduced days to flowering by 1.8 days per cycle in corn.
Recommendation Selecting materials for adaptation to high plant densities may be possible by the silk delay method in corn.
Association Early flowering cycles had a distinct yield advantage in a cool, short season, in a maturity-influenced cycle-by-year interaction.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Longidorus elongatus caused an estimated yield loss of about 1 t/ha per 100 nematodes per 200 g soil in barley in 1968.

Taxon: barleyHordeum vulgaret0
Interactor: Longidorus elongatusLongidorus elongatuse0pest
Outcome: yielde0
Direction: decreaseinferrede1
Value: 1 t/ha/100 Longidorus /200 ge1
Setting: Shifnal, Salope0

Verbatim

t0
“Barley and Potatoes”
✓ located verbatim in the source · title, characters 77–96

e0
“The relation between numbers of Longidorus elongatus (De Man) Thome & Swanger and yield of barley (in 1968 and 1969) and potatoes (in 1972) was studied in a field at Shifnal, Salop”
✓ located verbatim in the source · abstract, characters 8–188

e1
“Estimated loss of yield was about 1 t/ha/100 Longidorus /200 g for barley in 1968”
✓ located verbatim in the source · abstract, characters 311–392

Title

Studies on the Relation between Deasity of Longidorus elongatus and Yield of Barley and Potatoes

E. B. BROWN; G. B. SYKES Plant Pathology 1975. doi:10.1111/j.1365-3059.1975.tb01899.x

Other claims from this paper (3)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Sprays of DDT tended to shorten the duration of flowering in cowpea.

Taxon: cowpeaVigna unguiculatae0
Treatment: Sprays of DDTe0
Outcome: duration of floweringe0
Direction: shortene0

Not reportedComparator

Verbatim

e0
“Sprays of DDT tended to decrease the number of cowpea flowers produced and to shorten the duration of flowering”
✓ located verbatim in the source · abstract, characters 283–394

Title

Relationships of Insect Control Attempts by Chemicals to Components of Yield of Cowpeas in Uganda

C. S. Koehler; P. N. Mehta Journal of Economic Entomology 1972. doi:10.1093/jee/65.5.1421

Other claims from this paper (5)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Relative growth rate increased as N x S plant size decreased.

Taxon: maizeZea mayst0
Material: N x Se1
Outcome: Re0
Direction: increasede0
Qualifier: plant size decreasede0

Verbatim

e0
“R increased as plant size decreased, because F increased with decrease in plant size”
✓ located verbatim in the source · abstract, characters 628–712

t0
“maize”
✓ located verbatim in the source · title, characters 53–58

e1
“size of plants of N x S was varied”
✓ located verbatim in the source · abstract, characters 531–565

Title

Analysis of growth and yield of inbred and crossbred maize

J. C. S. ALLISON Annals of Applied Biology 1971. doi:10.1111/j.1744-7348.1971.tb04640.x

Other claims from this paper (19)

Observation N x S had net assimilation rate more than 20% greater than its parental inbreds.
Observation W x M had net assimilation rate 13–19% greater than its parental inbreds.
Observation Relative growth rate of W x M exceeded W or M.
Observation Relative growth rate of N x S exceeded S but not N.
Observation Leaf area ratio of N was greater than N x S.
Observation N x S had net assimilation rate about 10% greater than OP.
Intervention effect Seed size manipulation had little effect on N x S net assimilation rate.
Association Leaf area ratio increased with decreasing plant size.
Observation N, S and OP final dry weights were 66%, 46% and 98% of N x S, respectively.
Observation N, S and OP grain weights were 47%, 20% and 70% of N x S, respectively.
Observation N, S and OP flowered later than N x S.
Observation N, S and OP accumulated respectively 56%, 26% and 89% as much dry matter after flowering as N x S.
Observation Grain constituted 71%, 65%, 83% and 65% of postflowering dry matter in N, S, N x S and OP.
Observation Before flowering, E and R of N and S were greater than N x S.
Observation After flowering, E of N and S was smaller than N x S.
Observation Before flowering, OP had lower leaf area than N x S.
Observation Before flowering, OP had greater E than N x S.
Observation After flowering OP had greater leaf area than N x S.
Observation After flowering OP had smaller E than N x S.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Selection only for early flowering reduced days to flowering by 1.8 days per cycle in corn.

Taxon: Zea mays L.Zea mayse0
Treatment: selection only for early floweringe1
Outcome: days less to flowere2
Direction: lesse2
Value: 1.8 dayse2

Not reportedComparator

Verbatim

e0
“Three late, serai‐exotic corn ( Zea mays L.) synthetics were selected (5% level) for early silking by sib‐mating over a six‐generation period; then the seven cycles (including original forms) were compared in performance trials at three plant densities over 2 years”
✓ located verbatim in the source · abstract, characters 0–265

e1
“Virtually every ' trait measured changed significantly due to selection only for early flowering.”
✓ located verbatim in the source · abstract, characters 267–364

e2
“Effect per cycle averaged: 1.00 q/ha yield increase; 1.2 points of percent H 2 O decrease; 2.8% stalk breakage increase; 7.2‐cm plant height decrease; 5.2‐cm ear height decrease; 1.8 days less to flower; and 0.3 days less silk delay.”
✓ located verbatim in the source · abstract, characters 365–598

Title

Selection for Early Flowering in Corn¹

A. F. Troyer; W. L. Brown Crop Science 1972. doi:10.2135/cropsci1972.0011183x001200030014x

Other claims from this paper (9)

Intervention effect Selection only for early flowering significantly changed virtually every trait measured in corn.
Intervention effect Selection only for early flowering increased corn yield by 1.00 q/ha per cycle.
Intervention effect Selection only for early flowering decreased percent H2O by 1.2 points per cycle in corn.
Intervention effect Selection only for early flowering increased stalk breakage by 2.8% per cycle in corn.
Intervention effect Selection only for early flowering decreased plant height by 7.2 cm per cycle in corn.
Intervention effect Selection only for early flowering decreased ear height by 5.2 cm per cycle in corn.
Intervention effect Selection only for early flowering reduced silk delay by 0.3 days per cycle in corn.
Recommendation Selecting materials for adaptation to high plant densities may be possible by the silk delay method in corn.
Association Early flowering cycles had a distinct yield advantage in a cool, short season, in a maturity-influenced cycle-by-year interaction.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield of deep kernel and long ear (DL) hybrids was 8.0% lower than that of normal (N) hybrids, averaged over plant densities and genetic backgrounds.

Taxon: MaizeZea mayst0
Treatment: DLe0
Outcome: Yieldse0
Direction: decreaseinferrede0
Value: −8.0e0
Qualifier: averaged over plant densities and genetic backgroundse0
Comparator: N hybridse0

Verbatim

t0
“Maize1”
✓ located verbatim in the source · title, characters 55–61

e0
“Yields of D, L, M, DL, DM, and LM hybrids were −4.2, +3.6, +6.6, −8.0, +0.4, and −2.2%, respectively, of yields of N hybrids when averaged over plant densities and genetic backgrounds”
✓ located verbatim in the source · abstract, characters 1365–1548

Title

Effects of Two Yield Component Selection Procedures on Maize¹

J. L. Geadelmann; R. H. Peterson Crop Science 1978. doi:10.2135/cropsci1978.0011183x001800030008x

Other claims from this paper (12)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield of long ear and multiple ear (LM) hybrids was 2.2% lower than that of normal (N) hybrids, averaged over plant densities and genetic backgrounds.

Taxon: MaizeZea mayst0
Treatment: LMe0
Outcome: Yieldse0
Direction: decreaseinferrede0
Value: −2.2e0
Qualifier: averaged over plant densities and genetic backgroundse0
Comparator: N hybridse0

Verbatim

t0
“Maize1”
✓ located verbatim in the source · title, characters 55–61

e0
“Yields of D, L, M, DL, DM, and LM hybrids were −4.2, +3.6, +6.6, −8.0, +0.4, and −2.2%, respectively, of yields of N hybrids when averaged over plant densities and genetic backgrounds”
✓ located verbatim in the source · abstract, characters 1365–1548

Title

Effects of Two Yield Component Selection Procedures on Maize¹

J. L. Geadelmann; R. H. Peterson Crop Science 1978. doi:10.2135/cropsci1978.0011183x001800030008x

Other claims from this paper (12)

“yield decrease”

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